# Solve for x. cos(6x) = sin(3x - 9)

QUESTION POSTED AT 29/05/2020 - 01:13 AM

QUESTION POSTED AT 29/05/2020 - 01:13 AM

**Answer:**

Value of x is, 11

**Step-by-step explanation:**

**Using the trigonometry identity :**

**As per the statement:**

Solve for x.

**Apply the trigonometry identity we have;**

On comparing both sides we have;

**Add 6x to both sides we have;**

Simplify:

**Add 9 from both sides we have;**

Divide both sides by 9 we have;

11= x

or

x =11

**Therefore, the value of x is, 11.**

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